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VIPER50ASPTR-E - STMicroelectronics

Description: Fixed frequency off line converter

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VIPER50ASPTR-E - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - PowerSO-10_1_2022
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VIPER50ASPTR-E Details

  • Manufacturer Part Number:

    VIPER50ASPTR-E

  • Brand Name:

    STMicroelectronics

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOP-10

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    9 V

  • Input Voltage-Nom:

    13 V

  • JESD-30 Code:

    R-PDSO-G10

  • Length:

    9.4 mm

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -25 °C

  • Output Current-Max:

    2.7 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSOP

  • Package Equivalence Code:

    SOP10,.55FL

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG

  • Seated Height-Max:

    3.65 mm

  • Supply Current-Max (Isup):

    16 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    200 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    7.5 mm

VIPER50ASPTR-E Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and a separate layer for the high-voltage traces. The datasheet provides a recommended PCB layout, but it's essential to follow good PCB design practices to minimize noise and ensure reliable operation.
  • The VIPER50ASPTR-E has a thermal pad on the bottom of the package, which should be connected to a heat sink or a thermal interface material (TIM) to ensure efficient heat dissipation. A thermal resistance of less than 10°C/W is recommended. Additionally, ensure good airflow around the device and avoid blocking the airflow with components or obstacles.
  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of at least 50V. A low-ESR ceramic capacitor (e.g., X7R or X5R) is recommended to minimize voltage ripple and ensure stable operation.
  • Implement overvoltage protection (OVP) and overcurrent protection (OCP) circuits to prevent damage to the device. A voltage supervisor or a dedicated OVP IC can be used to monitor the input voltage and shut down the device in case of an overvoltage event. For OCP, a current sense resistor and a comparator can be used to detect overcurrent conditions and shut down the device.
  • The recommended startup sequence is to first apply the input voltage, followed by the enable signal (EN). This ensures that the device is properly biased and configured before the output voltage is enabled. A soft-start circuit can also be implemented to gradually ramp up the output voltage and reduce inrush current.

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VIPER50ASPTR-E Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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